soc/qualcomm/ipq40xx: Update memory map to align to ipq40xx

Update the memory to map to align with the internal memory region
map of IPQ40XX

BUG=chrome-os-partner:49249
TEST=None. Initial code not sure if it will even compile
BRANCH=none

Original-Commit-Id: e33712a729ef9831508c2e9aae81d0b32495b681
Original-Change-Id: Iba1c5281a2fbda4ab96126676b901ba71f6b28e0
Original-Signed-off-by: Varadarajan Narayanan <varada@codeaurora.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/333295
Original-Reviewed-by: David Hendricks <dhendrix@chromium.org>

squashed:

soc/qualcomm/ipq40xx: Update DRAM address ranges

BUG=chrome-os-partner:49249
TEST=None. Initial code not sure if it will even compile
BRANCH=none

Original-Commit-Id: 9150c125cb82f8dccb1347d898106703d85a5192
Original-Change-Id: Ic48d3e3f46a7c13a009a5cbed20984bd253eb85b
Original-Signed-off-by: Varadarajan Narayanan <varada@codeaurora.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/333296
Original-Reviewed-by: David Hendricks <dhendrix@chromium.org>

Change-Id: Iea40484751a1c0439ed511319ef09a0254eba757
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-on: https://review.coreboot.org/14654
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>

4 files changed, 62 insertions, 45 deletions

diff --git a/src/mainboard/google/gale/bootblock.c b/src/mainboard/google/gale/bootblock.c
index 8313501eff..63167cc620 100644
--- a/src/mainboard/google/gale/bootblock.c
+++ b/src/mainboard/google/gale/bootblock.c
@@ -40,8 +40,8 @@ void bootblock_mainboard_init(void)
 
 	setup_mmu(DRAM_NOT_INITIALIZED);
 
-	if (((uintptr_t)maskrom_param < (uintptr_t)&_sram) ||
-	    ((uintptr_t)maskrom_param > (uintptr_t)&_esram)) {
+	if (((uintptr_t)maskrom_param < (uintptr_t)&_wifi_imem_0) ||
+	    ((uintptr_t)maskrom_param > (uintptr_t)&_ewifi_imem_0)) {
 		printk(BIOS_INFO, "No uber-sbl parameter detected\n");
 		return;
 	}
diff --git a/src/mainboard/google/gale/mmu.c b/src/mainboard/google/gale/mmu.c
index 4d2e9a0123..65797e7463 100644
--- a/src/mainboard/google/gale/mmu.c
+++ b/src/mainboard/google/gale/mmu.c
@@ -14,15 +14,14 @@
 #include <symbols.h>
 #include "mmu.h"
 
-/* convenient shorthand (in MB) */
-#define RPM_START           ((uintptr_t)_rpm / KiB)
-#define RPM_END             ((uintptr_t)_erpm / KiB)
-#define RPM_SIZE            (RPM_END - RPM_START)
-#define SRAM_START          ((uintptr_t)_sram / KiB)
-#define SRAM_END            ((uintptr_t)_esram / KiB)
-#define DRAM_START          ((uintptr_t)_dram / MiB)
-#define DRAM_SIZE           (CONFIG_DRAM_SIZE_MB)
-#define DRAM_END            (DRAM_START + DRAM_SIZE)
+#define WIFI_IMEM_0_START	((uintptr_t)_wifi_imem_0 / KiB)
+#define WIFI_IMEM_0_END		((uintptr_t)_ewifi_imem_0 / KiB)
+#define WIFI_IMEM_1_START	((uintptr_t)_wifi_imem_1 / KiB)
+#define WIFI_IMEM_1_END		((uintptr_t)_ewifi_imem_1 / KiB)
+
+#define DRAM_START		((uintptr_t)_dram / MiB)
+#define DRAM_SIZE		(CONFIG_DRAM_SIZE_MB)
+#define DRAM_END		(DRAM_START + DRAM_SIZE)
 
 /* DMA memory for drivers */
 #define DMA_START            ((uintptr_t)_dma_coherent / MiB)
@@ -45,14 +44,19 @@ void setup_mmu(enum dram_state dram)
 {
 	dcache_mmu_disable();
 
+	mmu_init();
+
 	/* start with mapping everything as strongly ordered. */
 	mmu_config_range(0, 4096, DCACHE_OFF);
 
 	/* Map Device memory. */
-	mmu_config_range_kb(RPM_START, RPM_SIZE, DCACHE_OFF);
+	mmu_config_range_kb(WIFI_IMEM_0_START,
+				WIFI_IMEM_0_END - WIFI_IMEM_0_START,
+				DCACHE_WRITEBACK);
 
-	mmu_config_range_kb(SRAM_START, SRAM_END - SRAM_START,
-		DCACHE_WRITEBACK);
+	mmu_config_range_kb(WIFI_IMEM_1_START,
+				WIFI_IMEM_1_END - WIFI_IMEM_1_START,
+				DCACHE_WRITEBACK);
 
 	/* Map DRAM memory */
 	setup_dram_mappings(dram);
@@ -62,7 +66,5 @@ void setup_mmu(enum dram_state dram)
 	/* disable Page 0 for trapping NULL pointer references. */
 	mmu_disable_range_kb(0, 1);
 
-	mmu_init();
-
 	dcache_mmu_enable();
 }
diff --git a/src/mainboard/google/gale/mmu.h b/src/mainboard/google/gale/mmu.h
index 956553d2c3..e3347c8c2f 100644
--- a/src/mainboard/google/gale/mmu.h
+++ b/src/mainboard/google/gale/mmu.h
@@ -12,8 +12,10 @@
 
 #include <types.h>
 
-extern u8 _rpm[];
-extern u8 _erpm[];
+extern u8 _wifi_imem_0[];	/* Linker script supplied */
+extern u8 _ewifi_imem_0[];
+extern u8 _wifi_imem_1[];
+extern u8 _ewifi_imem_1[];
 
 enum dram_state {
 	DRAM_INITIALIZED = 0,
diff --git a/src/soc/qualcomm/ipq40xx/include/soc/memlayout.ld b/src/soc/qualcomm/ipq40xx/include/soc/memlayout.ld
index 6ff2b77608..de8488ac53 100644
--- a/src/soc/qualcomm/ipq40xx/include/soc/memlayout.ld
+++ b/src/soc/qualcomm/ipq40xx/include/soc/memlayout.ld
@@ -18,34 +18,47 @@
 
 #include <arch/header.ld>
 
+#define REGION_START(name, addr)	SYMBOL(name, addr)
+#define REGION_END(name, addr)		SYMBOL(e##name, addr)
+
 SECTIONS
 {
-	REGION(rpm, 0x00020000,  160K, 8K)
-	SRAM_START(0x2A000000)
+	REGION(oc_imem, 0x08600000, 32K, 0)
+
+	/* ==vvv== OC_IMEM_1_START	0x08600000 ==vvv== */
+/*	DDR(0x08600000, 32K) */
+	/* ==^^^== OC_IMEM_1_END	0x08608000 ==^^^== */
+
+	/* ==vvv== WIFI_IMEM_0_START	0x0A0C0000 ==vvv== */
+	REGION_START(wifi_imem_0, 0x0A0C0000)
 	/* This includes bootblock image, can be reused after bootblock starts */
-/*	UBER_SBL(0x2A000000, 48K) */
-/*	DDR(0x2A000000, 48K) */
-	BOOTBLOCK(0x2A00C000, 24K)
-	OVERLAP_VERSTAGE_ROMSTAGE(0x2A012000, 64K)
-	VBOOT2_WORK(0x2A022000, 16K)
-	PRERAM_CBMEM_CONSOLE(0x2A026000, 32K)
-	TIMESTAMP(0x2A02E000, 1K)
-
-/*	0x2e400..0x3F000  67 KB free */
-
-/* Keep the below area reserved at all times, it is used by various QCA
-   components as shared data
-	QCA_SHARED_RAM(2A03F000, 4K)
-*/
-	STACK(0x2A040000, 16K)
-	PRERAM_CBFS_CACHE(0x2A044000, 93K)
-	TTB_SUBTABLES(0x2A05B800, 2K)
-	TTB(0x2A05C000, 16K)
-	SRAM_END(0x2A060000)
-
-	DRAM_START(0x40000000)
-	RAMSTAGE(0x40640000, 128K)
-	SYMBOL(memlayout_cbmem_top, 0x59F80000)
-	POSTRAM_CBFS_CACHE(0x59F80000, 384K)
-	DMA_COHERENT(0x5A000000, 2M)
+/*	UBER_SBL(0x0A0C0000, 48K) */
+
+	PRERAM_CBFS_CACHE(0x0A0C0000, 93K)
+
+	TTB_SUBTABLES(0x0A0E0000, 4K)
+	TTB(0x0A0F0000, 16K)
+	REGION_END(wifi_imem_0, 0x0A100000)
+	/* ==^^^== WIFI_IMEM_0_END	0x0A100000 ==^^^== */
+
+
+	/* ==vvv== WIFI_IMEM_1_START	0x0A8C0000 ==vvv== */
+	REGION_START(wifi_imem_1, 0x0A8C0000)
+	BOOTBLOCK(0x0A8C0000, 24K)
+	OVERLAP_VERSTAGE_ROMSTAGE(0x0A8C6000, 64K)
+	VBOOT2_WORK(0x0A8D6000, 16K)
+	PRERAM_CBMEM_CONSOLE(0x0A8DA000, 32K)
+	TIMESTAMP(0x0A8E2000, 1K)
+
+/*	0x0A8E2400..0x0A8FC000  103 KB free */
+
+	STACK(0x0A8FC000, 16K)
+	REGION_END(wifi_imem_1, 0x0A900000)
+	/* ==^^^== WIFI_IMEM_1_END	0x0A900000 ==^^^== */
+
+	DRAM_START(0x80000000)
+	RAMSTAGE(0x80640000, 128K)
+	SYMBOL(memlayout_cbmem_top, 0x89F80000)
+	POSTRAM_CBFS_CACHE(0x89F80000, 384K)
+	DMA_COHERENT(0x8A000000, 2M)
 }