MLK-13525-1 mx7ulp: Add common plugin codes for mx7ulp

Add common plugin codes to call ROM's hwcnfg_setup and generate IVT2 header. Signed-off-by: Ye Li <ye.li@nxp.com> (cherry picked from commit 58ffe85c25ff554c185d8f6fd8b6443f167227da) (cherry picked from commit 8dc963c970f81f9cdefff0955eba6b27ca7dc17e)

MLK-13525-1 mx7ulp: Add common plugin codes for mx7ulp
Add common plugin codes to call ROM's hwcnfg_setup and generate IVT2 header. Signed-off-by: Ye Li <ye.li@nxp.com> (cherry picked from commit 58ffe85c25ff554c185d8f6fd8b6443f167227da) (cherry picked from commit 8dc963c970f81f9cdefff0955eba6b27ca7dc17e)
Ye Li · Eric Lee · Eric Lee
1 parent 02af80fd3b
Showing 2 changed files with 106 additions and 1 deletions Side-by-side Diff
arch/arm/include/asm/arch-mx7ulp/mx7ulp_plugin.S
arch/arm/mach-imx/Kconfig
+/*
+ * Copyright (C) 2016 Freescale Semiconductor, Inc.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <config.h>
+
+#define ROM_API_TABLE_BASE_ADDR_LEGACY		0x180
+#define ROM_VERSION_OFFSET               	0x80
+#define ROM_API_HWCNFG_SETUP_OFFSET		0x08
+
+plugin_start:
+
+	push    {r0-r4, lr}
+
+	imx7ulp_ddr_setting
+	imx7ulp_clock_gating
+	imx7ulp_qos_setting
+
+normal_boot:
+
+/*
+ * The following is to fill in those arguments for this ROM function
+ * pu_irom_hwcnfg_setup(void **start, size_t *bytes, const void *boot_data)
+ * This function is used to copy data from the storage media into DDR.
+ * start - Initial (possibly partial) image load address on entry.
+ *         Final image load address on exit.
+ * bytes - Initial (possibly partial) image size on entry.
+ *         Final image size on exit.
+ * boot_data - Initial @ref ivt Boot Data load address.
+ */
+	adr r0, boot_data2
+	adr r1, image_len2
+	adr r2, boot_data2
+
+/*
+ * check the _pu_irom_api_table for the address
+ */
+before_calling_rom___pu_irom_hwcnfg_setup:
+	ldr r3, =ROM_VERSION_OFFSET
+	ldr r4, [r3]
+	ldr r3, =ROM_API_TABLE_BASE_ADDR_LEGACY
+	ldr r4, [r3, #ROM_API_HWCNFG_SETUP_OFFSET]
+	blx r4
+after_calling_rom___pu_irom_hwcnfg_setup:
+
+
+/* To return to ROM from plugin, we need to fill in these argument.
+ * Here is what need to do:
+ * Need to construct the paramters for this function before return to ROM:
+ * plugin_download(void **start, size_t *bytes, UINT32 *ivt_offset)
+ */
+	pop {r0-r4, lr}
+	push {r5}
+	ldr r5, boot_data2
+	str r5, [r0]
+	ldr r5, image_len2
+	str r5, [r1]
+	ldr r5, second_ivt_offset
+	str r5, [r2]
+	mov r0, #1
+	pop {r5}
+
+	/* return back to ROM code */
+	bx lr
+
+/* make the following data right in the end of the output*/
+.ltorg
+
+#define FLASH_OFFSET 0x400
+
+/*
+ * second_ivt_offset is the offset from the "second_ivt_header" to
+ * "image_copy_start", which involves FLASH_OFFSET, plus the first
+ * ivt_header, the plugin code size itself recorded by "ivt2_header"
+ */
+
+second_ivt_offset:      .long (ivt2_header + 0x2C + FLASH_OFFSET)
+
+/*
+ * The following is the second IVT header plus the second boot data
+ */
+ivt2_header:            .long 0x0
+app2_code_jump_v:       .long 0x0
+reserv3:                .long 0x0
+dcd2_ptr:               .long 0x0
+boot_data2_ptr:         .long 0x0
+self_ptr2:              .long 0x0
+app_code_csf2:          .long 0x0
+reserv4:                .long 0x0
+boot_data2:             .long 0x0
+image_len2:             .long 0x0
+plugin2:                .long 0x0
@@ -29,7 +29,7 @@
  
 config USE_IMXIMG_PLUGIN
 	bool "Use imximage plugin code"
-	depends on ARCH_MX7 || ARCH_MX6
+	depends on ARCH_MX7 || ARCH_MX6 || ARCH_MX7ULP
 	help
 	  i.MX6/7 supports DCD and Plugin. Enable this configuration
 	  to use Plugin, otherwise DCD will be used.
	1	+/*
	2	+ * Copyright (C) 2016 Freescale Semiconductor, Inc.
	3	+ *
	4	+ * See file CREDITS for list of people who contributed to this
	5	+ * project.
	6	+ *
	7	+ * This program is free software; you can redistribute it and/or
	8	+ * modify it under the terms of the GNU General Public License as
	9	+ * published by the Free Software Foundation; either version 2 of
	10	+ * the License, or (at your option) any later version.
	11	+ *
	12	+ * This program is distributed in the hope that it will be useful,
	13	+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	+ * GNU General Public License for more details.
	16	+ */
	17	+
	18	+#include <config.h>
	19	+
	20	+#define ROM_API_TABLE_BASE_ADDR_LEGACY 0x180
	21	+#define ROM_VERSION_OFFSET 0x80
	22	+#define ROM_API_HWCNFG_SETUP_OFFSET 0x08
	23	+
	24	+plugin_start:
	25	+
	26	+ push {r0-r4, lr}
	27	+
	28	+ imx7ulp_ddr_setting
	29	+ imx7ulp_clock_gating
	30	+ imx7ulp_qos_setting
	31	+
	32	+normal_boot:
	33	+
	34	+/*
	35	+ * The following is to fill in those arguments for this ROM function
	36	+ * pu_irom_hwcnfg_setup(void *start, size_t bytes, const void *boot_data)
	37	+ * This function is used to copy data from the storage media into DDR.
	38	+ * start - Initial (possibly partial) image load address on entry.
	39	+ * Final image load address on exit.
	40	+ * bytes - Initial (possibly partial) image size on entry.
	41	+ * Final image size on exit.
	42	+ * boot_data - Initial @ref ivt Boot Data load address.
	43	+ */
	44	+ adr r0, boot_data2
	45	+ adr r1, image_len2
	46	+ adr r2, boot_data2
	47	+
	48	+/*
	49	+ * check the _pu_irom_api_table for the address
	50	+ */
	51	+before_calling_rom___pu_irom_hwcnfg_setup:
	52	+ ldr r3, =ROM_VERSION_OFFSET
	53	+ ldr r4, [r3]
	54	+ ldr r3, =ROM_API_TABLE_BASE_ADDR_LEGACY
	55	+ ldr r4, [r3, #ROM_API_HWCNFG_SETUP_OFFSET]
	56	+ blx r4
	57	+after_calling_rom___pu_irom_hwcnfg_setup:
	58	+
	59	+
	60	+/* To return to ROM from plugin, we need to fill in these argument.
	61	+ * Here is what need to do:
	62	+ * Need to construct the paramters for this function before return to ROM:
	63	+ * plugin_download(void *start, size_t bytes, UINT32 *ivt_offset)
	64	+ */
	65	+ pop {r0-r4, lr}
	66	+ push {r5}
	67	+ ldr r5, boot_data2
	68	+ str r5, [r0]
	69	+ ldr r5, image_len2
	70	+ str r5, [r1]
	71	+ ldr r5, second_ivt_offset
	72	+ str r5, [r2]
	73	+ mov r0, #1
	74	+ pop {r5}
	75	+
	76	+ /* return back to ROM code */
	77	+ bx lr
	78	+
	79	+/* make the following data right in the end of the output*/
	80	+.ltorg
	81	+
	82	+#define FLASH_OFFSET 0x400
	83	+
	84	+/*
	85	+ * second_ivt_offset is the offset from the "second_ivt_header" to
	86	+ * "image_copy_start", which involves FLASH_OFFSET, plus the first
	87	+ * ivt_header, the plugin code size itself recorded by "ivt2_header"
	88	+ */
	89	+
	90	+second_ivt_offset: .long (ivt2_header + 0x2C + FLASH_OFFSET)
	91	+
	92	+/*
	93	+ * The following is the second IVT header plus the second boot data
	94	+ */
	95	+ivt2_header: .long 0x0
	96	+app2_code_jump_v: .long 0x0
	97	+reserv3: .long 0x0
	98	+dcd2_ptr: .long 0x0
	99	+boot_data2_ptr: .long 0x0
	100	+self_ptr2: .long 0x0
	101	+app_code_csf2: .long 0x0
	102	+reserv4: .long 0x0
	103	+boot_data2: .long 0x0
	104	+image_len2: .long 0x0
	105	+plugin2: .long 0x0
...	...	@@ -29,7 +29,7 @@
29	29
30	30	config USE_IMXIMG_PLUGIN
31	31	bool "Use imximage plugin code"
32		- depends on ARCH_MX7 \|\| ARCH_MX6
	32	+ depends on ARCH_MX7 \|\| ARCH_MX6 \|\| ARCH_MX7ULP
33	33	help
34	34	i.MX6/7 supports DCD and Plugin. Enable this configuration
35	35	to use Plugin, otherwise DCD will be used.